#demo li:hover {
  background: #99ccff;
}

.articleMsg {
  color: gray;
  text-decoration: none;
}

a.articleMsg:hover {
  color: orangered;
}

a.article:link {
  text-decoration: none;
}

a.article:hover {
  text-decoration: underline;
  background-color: gray;
}

div.delBtn {
  float: right;
  width: 50px;
  font-size: 20px;
}

div.delBtn:hover {
  color: grey;
  cursor: pointer;
}